Race is quite possibly the most pernicious four-letter word in American history.

The third and most pernicious flaw in big science is the hardest to detect.

Is this not the worst and most pernicious kind of sexism?

He is one of the most pernicious influences in American policy going back decades.

This sense of otherness is the single most pernicious force in American discourse.

The most pernicious of all was one which was likely to bring about tragic results.

And, perhaps most pernicious of all, public outrage exhausts itself.

That, in a sense, had been his most pernicious practice.

But we succeeded in stripping out the most pernicious of them.

As with all such disasters it is the long-term consequences that are the most pernicious.